受体的放射配基结合分析法所用的标记配基的基本要求是() ["A．比活度高","B．亲和力高","C．特异性高","D．放射化学纯度要高","E．精密度好"]
卡波西(卡波氏)肉瘤最早发生于眼的哪个部位() ["A．眼睑，结膜","B．睑板腺","C．泪腺","D．眼眶","E．下睑，下穹隆部"]
受体调节的变化可以是() ["A．受体数量的增加或减少","B．同系调节","C．异系调节","D．配基亲和力的升高或降低","E．以上均不正确"]
核素成像，静态图像分析的要点是() ["A．脏器位置","B．脏器形态","C．动态变化","D．放射性分布","E．脏器大小"]
离开视盘后的视网膜动脉的直径都在多少um以下() ["A．50","B．100","C．200","D．300","E．400"]
Ⅰ区()Ⅱ区()Ⅲ区()Ⅳ区()Ⅴ区()
